document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=409797>Question 409797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two rainstorms occurred in one week in a certain area. In the first storm, 30mL of rain fell per hour, and in the second storm, 15mL of rain fell per hour. Rain lasted for a total of 60 hours, resulting in a total rainfall of 1425mL . How long was each storm? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288342 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=288342\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two rainstorms occurred in one week in a certain area. In the first storm, 30mL of rain fell per hour, and in the second storm, 15mL of rain fell per hour. Rain lasted for a total of 60 hours, resulting in a total rainfall of 1425mL . How long was each storm? \r<BR>\n" );
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document.write( "1st storm DATA:<BR>\n" );
document.write( "rate = 30mL/hr ; amt. of rain = x mL ; time = amt/rate = x/30 hr.<BR>\n" );
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document.write( "2nd storm DATA:<BR>\n" );
document.write( "rate = 15mL/hr ; amt of rain = 1425-x mL ; time = (1425-x)/15 hr.<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "time + time = 60 hrs.<BR>\n" );
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document.write( "x/30 + (1425-x)/15 = 60<BR>\n" );
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document.write( "x + 2*1425- 2x = 30*60<BR>\n" );
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document.write( "-x = -1050<BR>\n" );
document.write( "x = 1050mL <BR>\n" );
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document.write( "x/30 = 35 hrs (time of 1st storm)<BR>\n" );
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document.write( "(1425-x)/15 = 375/15 = 25 hr (time of 2nd storm)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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